SMD Power Inductor
CDRR128
Description
• Ferrite drum core construction.
• Magnetically shielded.
• L×W×H: 12.5×12.5×8.5 mm Max.
• Product weight:4.2 g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
• Halogen Free available.
Environmental Data
• Operating temperature range: -40℃½+125℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃½+125℃
• Solder reflow temperature: 260
℃
peak.
5.0
RoHS
Halogen
Free
Dimension - [mm]
12.2±0.3
12.2±0.3
8.2±0.3
7.2
Electrode
Packaging
• Carrier tape and reel packaging.
• 13.0”diameter reel
• 300pcs per reel
Applications
• For consumer electronics :DVD player, personal
computer, LCD display, etc.
• For automotive: ABS, SRS airbag, HID/LED, car
audio, car navigation, LCD display, etc.
Land pattern and Schematics - [mm]
13.2
7.0
5.6
Page 1 of 5
Revised: 2014-June-19
SMD Power Inductor
CDRR128
Electrical Characteristics
Inductance
(μH)
[Within]
※1
12±20%
15±20%
18±20%
22±20%
27±20%
33±20%
39±20%
47±20%
56±20%
68±20%
82±20%
100±20%
120±20%
150±20%
180±20%
220±20%
270±20％
330±20％
390±20％
470±20％
560±20％
680±20％
820±20％
1000±20％
D.C.R.(Ω)
[Max.] (Typ.）
(at 20℃)
36m(28.0m)
41m(33.0m)
44m(35.2m)
50m(40.3m)
65m(52.0m)
72m(57.4m)
79m(63.0m)
89m(71.0m)
103m(82.6m)
0.129(0.107)
0.155(0.129)
0.178(0.147)
0.208(0.173)
0.238(0.192)
0.301(0.25)
0.389(0.324)
0.487(0.406)
0.57(0.453)
0.71(0.58)
0.80(0.64)
0.96(0.793)
1.18(0.949)
1.48(1.23)
1.82(1.52)
Saturation current
(A)
※2
(at 25℃)
7.5(9.4)
6.6(8.3)
6.2(7.7)
5.3(6.6)
5.1(6.4)
4.9(6.1)
4.5(5.7)
3.8(4.7)
3.7(4.6)
3.4(4.2)
2.9(3.7)
2.6(3.3)
2.4(3.0)
2.2(2.8)
2.0(2.5)
1.9(2.4)
1.7(2.2)
1.6(2.0)
1.4(1.8)
1.3(1.6)
1.1(1.5)
1.0(1.3)
0.96(1.2)
0.86(1.1)
(at 125℃)
5.9(7.3)
5.0(6.3)
4.6(5.7)
3.8(4.8)
3.7(4.6)
3.6(4.5)
3.4(4.3)
2.8(3.6)
2.7(3.4)
2.6(3.2)
2.1(2.7)
1.9(2.4)
1.7(2.2)
1.6(2.0)
1.5(1.9)
1.4(1.8)
1.3(1.6)
1.2(1.5)
1.1(1.4)
0.92(1.2)
0.89(1.1)
0.83(1.0)
0.72(0.90)
0.68(0.85)
4.4(5.0)
4.2(4.8)
3.8(4.3)
3.6(4.2)
3.1(3.6)
3.0(3.4)
2.9(3.2)
2.8(3.2)
2.6(2.9)
2.2(2.5)
2.0(2.3)
1.9(2.1)
1.7(1.9)
1.6(1.8)
1.4(1.6)
1.2(1.4）
1.0(1.2)
0.97(1.1)
0.89(1.0)
0.88(1.0)
0.76(0.88)
0.76(0.87)
0.63(0.72)
0.58(0.66)
Temperature rise
Current (A)
※3
Part No.
Stamp
CDRR128NP-12ØMC
CDRR128NP-15ØMC
CDRR128NP-18ØMC
CDRR128NP-22ØMC
CDRR128NP-27ØMC
CDRR128NP-33ØMC
CDRR128NP-39ØMC
CDRR128NP-47ØMC
CDRR128NP-56ØMC
CDRR128NP-68ØMC
CDRR128NP-82ØMC
CDRR128NP-1Ø1MC
CDRR128NP-121MC
CDRR128NP-151MC
CDRR128NP-181MC
CDRR128NP-221MC
CDRR128NP-271MC
CDRR128NP-331MC
CDRR128NP-391MC
CDRR128NP-471MC
CDRR128NP-561MC
CDRR128NP-681MC
CDRR128NP-821MC
CDRR128NP-1Ø2MC
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
271
331
391
471
561
681
821
102
※1.
Measuring condition: at 100 kHz.
※2.
Saturation current: The value of D.C. current when the inductance decreases to 75% of it’s nominal value.
※3.
Temperature rise current: The value of D.C. current when the temperature rise is
△t＝40℃(Ta＝20℃).
Page 2 of 5
Revised: 2014-June-19
SMD Power Inductor
CDRR128
Saturation Current & Temperature Rise Graph
L (25℃)
L (μH)
13. CDRR128NP-121MC
△T
(℃)
L (125℃)
L (μH)
△T
14. CDRR128NP-151MC
△T
(℃)
L (μH)
15. CDRR128NP-181MC
△T
(℃)
180
150
120
90
60
30
0
0.0
L (μH)
60
50
40
30
20
10
0
0.8
1.6
DC (A)
2.4
3.2
△T
(℃)
180
150
120
90
60
30
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
DC (A)
L (μH)
17. CDRR128NP-271MC
60
50
40
30
20
10
0
240
200
160
120
80
40
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
DC (A)
L (μH)
18. CDRR128NP-331MC
60
50
40
30
20
10
0
16. CDRR128NP-221MC
△T
(℃)
△T
(℃)
240
200
160
120
80
40
0
0.0 0.4 0.8 1.2 1.6 2.0 2.4
DC (A)
L (μH)
19. CDRR128NP-391MC
60
50
40
30
20
10
0
300
250
200
150
100
50
0
0.0 0.4 0.8 1.2 1.6 2.0 2.4
DC (A)
L (μH)
20. CDRR128NP-471MC
60
50
40
30
20
10
0
360
300
240
180
120
60
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8 1.2
DC (A)
1.6
2.0
△T
(℃)
△T
(℃)
△T
(℃)
21. CDRR128NP-561MC
420
350
280
210
140
70
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8 1.2
DC (A)
1.6
2.0
△T
(℃)
600
500
400
300
200
100
0
0.0
L (μH)
60
50
40
30
20
10
0
0.4
0.8
DC (A)
1.2
1.6
△T
(℃)
600
500
400
300
200
100
0
0.0
L (μH)
60
50
40
30
20
10
0
0.3
0.6 0.9
DC (A)
1.2
1.5
△T
(℃)
22. CDRR128NP-681MC
23. CDRR128NP-821MC
24. CDRR128NP-102MC
900
750
600
450
300
150
0
0.0
0.3
0.6
0.9
1.2
1.5
60
50
40
30
20
10
0
900
750
600
450
300
150
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
60
50
40
30
20
10
0
1200
1000
800
600
400
200
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
60
50
40
30
20
10
0
DC (A)
DC (A)
DC (A)
Page 4 of 5
Revised: 2014-June-19
SMD Power Inductor
CDRR128
Solder Reflow Condition
T (℃)
300
250
200
150
100
50
0
0
60
120
180
240
300
T (s)
Heat Endurance
260℃
230℃
10
60
T (℃)
300
250
200
150
100
50
0
0
60
120
180
240
300 T (s)
170±10
℃,60~120s
Temperature Chart
245℃ PEAK
230℃
40s
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http://www.sumida.com
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Page 5 of 5
Revised: 2014-June-19
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